With a field of view similar to 18mm on full-frame, the Fujinon GF 23mm F4 R LM WR is a wide-angle prime lens designed for the Fujifilm G Mount. It features a weather-resistant body housing an optical design comprised of 15 elements in 12 groups, with two aspherical lenses, one super ED lens, and three ED lenses. It also features Nano GI coating to suppress ghosting and flare, and has a 9 bladed aperture for smooth circular bokeh.